That's just plain FUD.
They are all, "The patient, being of sound mind, jumps through a large bunch of legal hurdles to be permitted to exit peacefully and painlessly."
> "Most people with something terribly wrong are holding out hope"
We're talking about people inches from death here. If they had hope they would be in hospital. They no longer have hope, only pain.
> A lot of people can't quite commit to euthanasia because "what if they find a cure a week later?"
A lot of people want euthanasia as a barrier against fear... "There have been some terrible days, and I'm certain I'm dying, and as I die, it will get worse. If it gets intolerable, I can opt out... it's not intolerable today, so I can hold on another day."